Answer
Yes. Diarrhoea is a recognised and very common adverse effect. Marked or persistent diarrhoea can cause dehydration and electrolyte disturbance.
Sources for this answer
- Dulcolax Adult Pico Liquid, 5 mg / 5 ml, oral solution — Current selected SmPCemc · Summary of Product Characteristics
- Dulcolax Twelve Plus Pico Liquid — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.